Answer:
I hope this helps:)
Step-by-step explanation:
A B C D E represent the subjects
A+A1
A+B2
A+C3
A+D4
A+E5
B+B6
B+C7
B+D8
B+E9
C+C10
C+D11
C+E12
D+D13
D+E14
E+E15
15 combos
3x+50 = 6x - 10
6x -3x = 50+10
3x = 60
x = 20
answer
x = 20
Answer:
It's a horizontal line passing through 4 on the y-axis.
Simply place a ruler at 4 and draw a straight line from left to right, which passing through the number 4.
